KR102024821B1 - 가변 속도 드라이브 내 지락 검출 및 가변 속도 드라이브 보호를 위한 시스템 및 방법 - Google Patents

가변 속도 드라이브 내 지락 검출 및 가변 속도 드라이브 보호를 위한 시스템 및 방법 Download PDF

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Publication number
KR102024821B1
KR102024821B1 KR1020147030869A KR20147030869A KR102024821B1 KR 102024821 B1 KR102024821 B1 KR 102024821B1 KR 1020147030869 A KR1020147030869 A KR 1020147030869A KR 20147030869 A KR20147030869 A KR 20147030869A KR 102024821 B1 KR102024821 B1 KR 102024821B1
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KR
South Korea
Prior art keywords
voltage
threshold
phase
motor drive
current
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Application number
KR1020147030869A
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English (en)
Korean (ko)
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KR20150013150A (ko
Inventor
후아키앙 리
야코브 르보비치 패밀리언트
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이턴 코포레이션
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Publication of KR20150013150A publication Critical patent/KR20150013150A/ko
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
    • H02H3/162—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass for ac systems
    • H02H3/165—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass for ac systems for three-phase systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
    • H02H7/1227—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters responsive to abnormalities in the output circuit, e.g. short circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
    • H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
    • H02P29/027—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an over-current
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Control Of Ac Motors In General (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
KR1020147030869A 2012-05-04 2013-04-23 가변 속도 드라이브 내 지락 검출 및 가변 속도 드라이브 보호를 위한 시스템 및 방법 KR102024821B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/464,014 2012-05-04
US13/464,014 US9160161B2 (en) 2012-05-04 2012-05-04 System and method for ground fault detection and protection in adjustable speed drives
PCT/US2013/037795 WO2013165753A2 (fr) 2012-05-04 2013-04-23 Système et procédé pour la détection de défauts de masse et la protection dans des entraînements à vitesse réglable

Publications (2)

Publication Number Publication Date
KR20150013150A KR20150013150A (ko) 2015-02-04
KR102024821B1 true KR102024821B1 (ko) 2019-11-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147030869A KR102024821B1 (ko) 2012-05-04 2013-04-23 가변 속도 드라이브 내 지락 검출 및 가변 속도 드라이브 보호를 위한 시스템 및 방법

Country Status (10)

Country Link
US (1) US9160161B2 (fr)
EP (1) EP2845282B1 (fr)
KR (1) KR102024821B1 (fr)
CN (1) CN104285350B (fr)
AU (1) AU2013256778A1 (fr)
BR (1) BR112014027530A2 (fr)
CA (1) CA2870951A1 (fr)
IN (1) IN2014DN09000A (fr)
WO (1) WO2013165753A2 (fr)
ZA (1) ZA201407463B (fr)

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KR102138360B1 (ko) * 2019-04-11 2020-07-27 엘에스일렉트릭(주) 출력지락 검출이 가능한 인버터 시스템과 이를 이용한 출력지락 검출 방법
CN114144972B (zh) * 2019-07-25 2024-02-06 三菱电机株式会社 旋转机控制装置、制冷剂压缩装置、制冷环路装置以及空调机
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Also Published As

Publication number Publication date
US9160161B2 (en) 2015-10-13
CA2870951A1 (fr) 2013-11-07
CN104285350B (zh) 2017-10-24
CN104285350A (zh) 2015-01-14
US20130293988A1 (en) 2013-11-07
AU2013256778A1 (en) 2014-11-06
ZA201407463B (en) 2015-12-23
BR112014027530A2 (pt) 2017-06-27
EP2845282A2 (fr) 2015-03-11
WO2013165753A3 (fr) 2014-01-16
KR20150013150A (ko) 2015-02-04
EP2845282B1 (fr) 2019-06-05
IN2014DN09000A (fr) 2015-05-22
WO2013165753A2 (fr) 2013-11-07

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